经济学家的角色既是科学家,又是工程师。
我不后悔我的过去,我只是后悔在错误的人身上浪费时间。
The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.
Innovation in mining technology isn't just about efficiency—it's about safety and sustainability.
我不是榜样,我只是一个成功的人。